<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title></title>
</head>
<body>
	<style>
		.active{
			color: blue;
		}
		.border{
			border:1px solid red;
			width:1rem;
			height:1rem;
		}
	</style>
	
	<p class="pLine">王八蛋</p>
	<button class="btn">点击改变颜色</button>
	<p class="test-html">测试html方法</p>
	<div class="border"></div>
	<button class="btn-2">惊喜</button>
	<button class="btn-3">测试ecDo方法</button>
	<button class="btn-4">测试ecDo hide方法</button>
	<p class="btns">
		<button>1</button>
		<button>2</button>
		<button>3</button>
		<button>4</button>
	</p>
	<script src="jquery.js"></script>
	<script src="ecDo.js"></script>
	<script src="demo.js"></script>
	<script>
		var apputils=ecDo;
		apputils.html(document.getElementsByClassName('test-html')[0],'happy');

	</script>
</body>
</html>